Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb08cae676743e39…

MALICIOUS

PDF

230.0 KB Created: 2022-02-16 08:16:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-04
MD5: 9e30256ac2c3b4122f32442f7093a7dd SHA-1: defbc954b4915d75ba557ce0a2a82874ec3b7f2c SHA-256: fb08cae676743e3917c540672d256beb4d1a228abaddd49ebcdf3259046da197
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8666

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://sunuf.co.za/XSRYdR1H?utm_term=besplatni+antivirus+programi PDF link annotation
    • https://loonbedrijfschimmel.nl/userfiles/files/wezapidibegexigisutizuxi.pdfIn PDF document text
    • http://gazette.digifi.ca/newsletters//file/nerupabezatanabumanoxofip.pdfIn PDF document text
    • https://almuhja.com/ckfinder/userfiles/files/97922229654.pdfIn PDF document text
    • https://penzion-pod-rozhlednou.cz/img/file/96646699555.pdfIn PDF document text
    • http://etre-belle.su/images/file/koxudad.pdfIn PDF document text
    • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161ccd81fc2237---45046635073.pdfIn PDF document text
    • https://farmaciasacoor.com/site/upload/file/rusegufivadekagafev.pdfIn PDF document text
    • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/b8744291d103ce3534af07a6d5fd1e59/kixenos.pdfIn PDF document text
    • https://sukienmiennam.com/userupload/files/97922431112.pdfIn PDF document text
    • http://synerfreight.com/syner_upload/images/files/8823782397.pdfIn PDF document text
    • http://hyunbulsa.org/~ewedd2/userfiles/file/jenusokogenixibopisigapi.pdfIn PDF document text
    • http://progfin.pl/userfiles/file/53524330847.pdfIn PDF document text
    • http://creacionesfullpack.com/kcfinder/upload/files/23756004842.pdfIn PDF document text
    • http://word.mn/uploads/assets/dunefadigonotebowud.pdfIn PDF document text
    • https://ashleymongolia.mn/uploads/files/57374384415.pdfIn PDF document text
    • http://gopay24.pl/app/webroot/js/kcfinder/upload/files/xarig.pdfIn PDF document text
    • http://raffaelecavazzoni.com/userfiles/files/48574363321.pdfIn PDF document text
    • http://v-lukomorie.com/uploader/files/demajejuro.pdfIn PDF document text
    • https://ryokanclub.com/FileData/ckfinder/files/20210726_E997B071D0494E2C.pdfIn PDF document text
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/89e41dfa189cb16da7eec7e175e47e52/rusofajaba.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off000308ac.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000308ac.bin)

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000308ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x308AC 22212 bytes
SHA-256: 17d2029c708f9348cd0a7e55abde03d2310a7e96838cc8b78d75cb646aa93b8c
font_01_sfnt_off000342ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x342BA 10812 bytes
SHA-256: 7a940fd6612c41fcf3b09cddac2cbed4a7273fab46513e0a992662c48ca4d82f
font_02_sfnt_off00035bc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35BC3 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_03_sfnt_off000372dd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x372DD 16284 bytes
SHA-256: 35e479d052f87a2abbca201dadaa635a96c63bbc3f7a35af761760e150072db2